/* ============================================================
   CSS Custom Properties — dark theme
   ============================================================ */
:root {
  --color-bg:         #0c0c10;
  --color-text:       #e0e0ec;
  --color-text-muted: #7878a0;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Fira Code', Consolas, monospace;
}

/* ============================================================
   Reset & base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Main — clock centered on screen
   ============================================================ */
.site-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  user-select: none;
}

#clock {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 200;
  letter-spacing: 0.06em;
  color: var(--color-text);
  line-height: 1;
}

#date {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================================
   Nav links — below clock/date
   ============================================================ */
.site-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.75rem;
  justify-content: center;
}

.site-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.site-links a:hover {
  color: var(--color-text);
}

.site-links a:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration:  0.01ms !important;
  }
}